CTDO3316PF-105

Fixed Inductors Overview

The CTDO3316PF-105 is a fixed power inductor manufactured by Central Technologies. It features an unshielded wirewound construction suitable for surface-mount applications. The component has a nominal inductance of 1 mH and a self-resonant frequency of 2 MHz. Its DC resistance is specified at 3 ohms, with a maximum current rating of 300 mA. The device operates at a test frequency of 0.1 MHz and complies with EU RoHS standards.

Fixed Inductors Feature Summary

• Unshielded wirewound design for general-purpose power applications
• Surface-mount package configuration
• RoHS compliant manufacturing

Fixed Inductors Applications

• Power supply circuits
• General purpose inductive filtering
• Signal processing components

Fixed Inductors Procurement Notes

Verify the specific part number CTDO3316PF-105 against official Central Technologies documentation to confirm active status and electrical parameters. Ensure that the unshielded construction meets the electromagnetic interference requirements of the target circuit design before finalizing procurement decisions.

Fixed Inductors Selection Notes

Select this component when a 1 mH inductance value is required with a 300 mA current handling capability. The unshielded nature necessitates careful layout planning to manage magnetic field interactions. Confirm that the 3 ohm DC resistance aligns with the efficiency targets of the power stage.

Fixed Inductors Part Context

This component belongs to the CTDO3316F series from Central Technologies, which includes various inductance values within the same physical footprint. The series provides options for different power inductor requirements while maintaining consistent mounting characteristics for board space optimization.

Fixed Inductors Replacement Considerations

The DO3316P-102MLD from Coilcraft is listed as a cross-reference option. Verify pin compatibility and electrical tolerance differences before substitution.